1) Araucaria araucana Monkey Puzzle
- Native to Chile and Argentina in the south central Andes mountains.
- This long-lived tree is frequently described as a living fossil.
- Large cones yield many edible nuts, similar to a pine nut.
2) Berberis gagnepainii Gagnepain’s Barberry
- This evergreen shrub is native to China in the Sichuan and Yunnan Provinces.
- Shrub is protected by many slender three-spined thorns.
- This species can be found near the top of Rhododendron Glen.
3) Gleditsia caspica Persian Honey Locust
- This medium-sized tree is native to western Asia in the Caucasus region near the Caspian Sea.
- Branched thorns cover trunk and branches.
- This Gleditsia and G. sinensis can be found along the east fence line in the south Sorbus area.
4) Gleditsia sinensis Chinese Honey Locust
- A native tree to China.
- The seed pods have been used as a detergent in China for at least 2,000 years.
- Many parts of this tree are used in traditional Chinese medicine.
- Large, impressive thorns cover trunk and branches.
5) Zanthoxylem simulans Sichuan Peppercorn
- This small tree, or spreading shrub, is native to eastern China and Taiwan.
- Small reddish berries yield the spice, Sichuan peppercorn.
- Thorns on the trunk and branches become woody, lending to another common name of Prickly Ash.
- Several examples can be found in grid 9-6E.